转炉余热锅炉汽包水位优化自动控制系统  

Automatic Control System of Boiler Water Level of Heat Recovery Boiler of Converter

作　　者：李宏林 LI Honglin(Shandong Luye Ruibao Electrical Automation Co.,Ltd.,Jinan 250100,China)

机构地区：[1]山东鲁冶瑞宝电气自动化有限公司,山东济南250100

出　　处：《山东冶金》2021年第4期57-59,共3页Shandong Metallurgy

摘　　要：转炉余热锅炉给水系统根据转炉汽包水位周期性,波动范围大,速度较快,稳定性差等特点,采用变量检测冗余技术、开关型选择控制技术及变频选择控制技术,优化汽包水位控制方式及完善的报警联锁功能,结合转炉吹炼周期汽包水位的变化,控制功能分三步实施,实现汽包水位全自动连续控制。水位控制在工艺要求的合理范围内,整个系统达到回收蒸汽、节能降耗、安全运行的目的。According to the characteristics of converter drum water level,large fluctuation range,fast speed and poor stability,the system adopts data redundancy detection technology,switch selection control technology,frequency conversion selection and control technology,optimize the water level control mode of the steam drum and perfect alarm interlocking function,combining the change of the converter blowing cycle,control function is implemented in three steps to realize the automatic and continuous control of drum water level within the reasonable range of the process,and achieve the purpose of steam recovery,energy saving,consumption reduction and safe operation.

关 键 词：转炉 汽包水位 热负荷 数据冗余检测 变频选择控制 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]